| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_9b86dbdcfe153c2dfb874aff99d07177 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-55 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F9-6561
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D513-04 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D513-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-59
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-6561
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-08 |
| filingDate |
1980-05-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_255959ebd07dbd72d68f6eb276ab2db3
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_81d077698dc2d4091ffd429a3eb76525
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6d4ef5dd5917738081b65f2b91397764 |
| publicationDate |
1980-11-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0019401-A1 |
| titleOfInvention |
Process for preparing enamine derivatives, compounds so produced and process for preparing a 3-hydroxy-cephalosporin |
| abstract |
There is described a process for preparing an enamine of formula (IX):n where R 2 is a carboxylic acid protecting group and R 3 is the residue of a carboxylic acid derived acyl group and where R 5 and R 6 are the same or different C 1-4 alkyl or C 7-10 aralkyl groups; or taken together with the adjacent nitrogen atom form a heterocyclic ring containing from 4 to 8 carbon atoms and optionally a further heteroatom selected from oxygen and nitrogen; by reacting a compound of formula (XII) :n with an amine of formula HNR 5 R 6 , the reactant of formula (XII) being prepared by reaction of an appropriate enol derivative with a phosphorus reagent. The enamines of formula (IX) are useful in the preparation of 3-hydroxycephalosporins. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4616084-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0133670-A2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0133670-A3 |
| priorityDate |
1979-05-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |